Poor Sound Quality in All Modes (Low Volume) [10/2014 - ]: Procedure

1. Set treble, middle and bass to the initial values and check that the sound is normal.

   OK

   The sound returns to normal.

   HINT: 

   Sound quality adjustment measures vary according to the type of amplifier.

Result: 

OK 

END 

Result: 

NG 

See step  2

1. Compare with another vehicle of the same model which is not malfunctioning to see if there is any difference in the sound quality.

   OK

   No difference is found.

Result: 

OK 

END 

Result: 

NG 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

(Refer to PROBLEM SYMPTOMS TABLE [10/2014 - 10/2015] or PROBLEM SYMPTOMS TABLE [10/2015 - ] )